# My C5Z made 610RWHP NA today...

**URL:** <https://forums.speedlife.net/t/my-c5z-made-610rwhp-na-today/205068>\
**Category:** PittSpeed Automotive\
**Created:** [June 4, 2010, 3:43pm UTC](https://forums.speedlife.net/t/my-c5z-made-610rwhp-na-today/205068 "2010-06-04T15:43:19Z")\
**Posts on this page:** 1\
**Showing post:** 14

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**Author:** ![tjZ28](https://avatars.discourse-cdn.com/v4/letter/t/9de0a6/32.png) [@tjZ28](https://forums.speedlife.net/u/tjZ28)\
**Post date:** [June 9, 2010, 10:30am UTC](https://forums.speedlife.net/t/my-c5z-made-610rwhp-na-today/205068/14 "2010-06-09T10:30:45Z")

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> [@Hybrids - cost of ownership](https://forums.speedlife.net/t/hybrids-cost-of-ownership/42347/18):
>
> I lowered a c5 a while back that had a 485hp top end kit with similar exhaust… i wanna say it had the loud mouth something cat back?? holy lord that was loud, i can only imagine yours in person!!

> [@obi-1"](#):
>
> I had 3" straight pipes for a week or so while I was waiting for my mufflers to come in. My ears would ring every time I drove the car.

And neither of those cars had the 1 7/8" stepped to 2" primary tube (3" collectors) headers, 12:1 compression and 427 cubes I bet. 😉

-TJ

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